Enum rustc_infer::infer::undo_log::UndoLog[−][src]

pub(crate) enum UndoLog<'tcx> {
    TypeVariables(UndoLog<'tcx>),
    ConstUnificationTable(UndoLog<Delegate<ConstVid<'tcx>>>),
    IntUnificationTable(UndoLog<Delegate<IntVid>>),
    FloatUnificationTable(UndoLog<Delegate<FloatVid>>),
    RegionConstraintCollector(UndoLog<'tcx>),
    RegionUnificationTable(UndoLog<Delegate<RegionVid>>),
    ProjectionCache(UndoLog<ProjectionCacheKey<'tcx>, ProjectionCacheEntry<'tcx>>),
    PushRegionObligation,
}
Expand description

Records the “undo” data for a single operation that affects some form of inference variable.

Variants

TypeVariables(UndoLog<'tcx>)
ConstUnificationTable(UndoLog<Delegate<ConstVid<'tcx>>>)
IntUnificationTable(UndoLog<Delegate<IntVid>>)
FloatUnificationTable(UndoLog<Delegate<FloatVid>>)
RegionConstraintCollector(UndoLog<'tcx>)
RegionUnificationTable(UndoLog<Delegate<RegionVid>>)
ProjectionCache(UndoLog<ProjectionCacheKey<'tcx>, ProjectionCacheEntry<'tcx>>)
PushRegionObligation

Trait Implementations

impl<'tcx> From<Instantiate> for UndoLog<'tcx>[src]

fn from(x: Instantiate) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<'tcx>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<'tcx>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<'tcx>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<'tcx>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<ConstVid<'tcx>>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<ConstVid<'tcx>>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<FloatVid>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<FloatVid>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<IntVid>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<IntVid>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<RegionVid>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<RegionVid>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<TyVid>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<TyVid>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate<TyVidEqKey<'tcx>>>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate<TyVidEqKey<'tcx>>>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<Delegate>> for UndoLog<'tcx>[src]

fn from(x: UndoLog<Delegate>) -> Self[src]

Performs the conversion.

impl<'tcx> From<UndoLog<ProjectionCacheKey<'tcx>, ProjectionCacheEntry<'tcx>>> for UndoLog<'tcx>[src]

fn from(
    x: UndoLog<ProjectionCacheKey<'tcx>, ProjectionCacheEntry<'tcx>>
) -> Self[src]

Performs the conversion.

impl<'tcx> Rollback<UndoLog<'tcx>> for InferCtxtInner<'tcx>[src]

The Rollback trait defines how to rollback a particular action.

fn reverse(&mut self, undo: UndoLog<'tcx>)[src]

Auto Trait Implementations

impl<'tcx> !RefUnwindSafe for UndoLog<'tcx>

impl<'tcx> !Send for UndoLog<'tcx>

impl<'tcx> !Sync for UndoLog<'tcx>

impl<'tcx> Unpin for UndoLog<'tcx>

impl<'tcx> !UnwindSafe for UndoLog<'tcx>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

impl<T> WithConstness for T[src]

fn with_constness(self, constness: Constness) -> ConstnessAnd<Self>[src]

fn with_const(self) -> ConstnessAnd<Self>[src]

fn without_const(self) -> ConstnessAnd<Self>[src]

impl<'a, T> Captures<'a> for T where
    T: ?Sized, [src]